No reliance can be placed on the friendship of kings, nor vain hope put in the melodious voice of boys; for that passes away like a vision, and this vanishes like a dream.
SaadiWere the diver to think on the jaws of the shark, he would never lay hands on the precious pearl.
SaadiWhen thou seest thine enemy in trouble, curl not thy whiskers in contempt; for in every bone there is marrow, and within every jacket there is a man.
Saadi